PACKAGING INFORMATION
Plastic TSOP - 28-pins
Package Code: T (Type I)
1
ISSI
®
E
H
N
D
SEATING PLANE
S
A
e
B
L
A1
α
C
Symbol
Ref. Std.
No. Leads
A
A1
B
C
D
E
H
e
L
α
Plastic TSOP (T—Type I)
Millimeters
Inches
Min
Max
Min
Max
28
1.00
1.20
0.05
0.20
0.16
0.27
0.10
0.20
7.90
8.10
11.70
11.90
13.20
13.60
0.55 BSC
0.30
0.70
0°
5°
0.037
0.047
0.002
0.008
0.006
0.011
0.004
0.008
0.308
0.316
0.456
0.465
0.515
0.531
0.022 BSC
0.011
0.027
0°
5°
Notes:
1. Controlling dimension: millimeters, unless otherwise specified.
2. BSC = Basic lead spacing between centers.
3. Dimensions D and E do not include mold flash protrusions and
should be measured from the bottom of the package
.
4. Formed leads shall be planar with respect to one another within
0.004 inches at the seating plane.
Integrated Silicon Solution, Inc.
PK13197T28
Rev. B 01/31/97
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
